Mindblown: a blog about philosophy.

  • Aorta

    The largest artery in the body, the aorta arises from the left ventricle of the heart, goes up (ascends) a little ways, bends over (arches), then goes down (descends) through the chest and through the abdomen to where ends by dividing into two arteries called the common iliac arteries that go to the legs. Anatomically, the aorta is…

  • AOM

    Acute otitis media, a middle ear infection of abrupt onset.

  • AOA

    Abbreviation for Alpha Omega Alpha, the medical honor society, the medical school equivalent of Phi Beta Kappa, in the United States and Canada. Membership is by election for distinguished academic achievement. Medical students, house officers, and medical school alumni and faculty are eligible for election. AOA is also the abbreviation for the American Osteopathic Association…

  • Anxiety disorder, social

    Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating effects on personal and professional relationships. Also called social phobia. Phobias are persistent, irrational fears of certain objects or situations. They recognize that their fear may be excessive or unreasonable, but are unable to overcome it. The symptoms and signs of social phobia include…

  • Anxiety disorder

    A chronic condition characterized by an excessive and persistent sense of apprehension, with physical symptoms such as sweating, palpitations, and feelings of stress. Treatments include the comfort offered by understanding the condition, avoiding or desensitizing exacerbating situations, and medications.

  • Anxiety

    A feeling of apprehension and fear, characterized by physical symptoms such as palpitations, sweating, and feelings of stress.

  • ANXA1

    Annexin A1.

  • Anvil

    The incus.

  • Anus, imperforate

    A birth defect in which the rectum is a blind alley and there is no anus. Imperforate anus occurs in about 1 in 5,000 births, and it can be corrected by surgery.

  • Anus

    The opening of the rectum to the outside of the body.

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